// 练习1：使用fp.add(x, y)和fp.map(f, x)创建一个能让functor里的值增加的函数ex1
const fp = require('lodash/fp');
const { Maybe, Container } = require('./support');
let maybe = Maybe.of([5, 6, 1]);
let ex1 = () => maybe.map(value => fp.map(fp.add(1), value))

console.log(ex1()._value)
